Vegetative key to the families
Vegetative Key Vegetative key to the families
LEAVES REDUCED TO SCALES ON THE AERIAL STEMS
Saprophytic herbs (one a climber) usually without chlorophyll Orchidaceae
Plants terrestrial with tubers or rhizomes. Leaves basal and/or cauline, large or scale-like
Saprophytes. Leaves scale-like
Autotrophs with green leaves and stems; stems sometimes coloured. Leaves sometimes absent at flowering time